Overview: 2 questions will be solved this time.Among them
           ☆2 inequalities

[ 1/2Inequality]
    Assignment:Find the solution set of inequality 7x+（10-x） ≤26 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        7 * x + ( 10 - x ) ≤26         (1)

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    From inequality(1)：
         x ≤ 8/3

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    The final solution set is :
         x ≤ 8/3
[ 2/2Inequality]
    Assignment:Find the solution set of inequality 120x+100（10-x） ≥1020 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        120 * x + 100 * ( 10 - x ) ≥1020         (1)

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    From inequality(1)：
         x ≥ 1

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    The final solution set is :
         x ≥ 1

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